xref: /openbmc/linux/security/apparmor/Makefile (revision 6a767685)
1# SPDX-License-Identifier: GPL-2.0
2# Makefile for AppArmor Linux Security Module
3#
4obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
5
6apparmor-y := apparmorfs.o audit.o capability.o context.o ipc.o lib.o match.o \
7              path.o domain.o policy.o policy_unpack.o procattr.o lsm.o \
8              resource.o secid.o file.o policy_ns.o label.o mount.o
9apparmor-$(CONFIG_SECURITY_APPARMOR_HASH) += crypto.o
10
11clean-files := capability_names.h rlim_names.h
12
13
14# Build a lower case string table of capability names
15# Transforms lines from
16#    #define CAP_DAC_OVERRIDE     1
17# to
18#    [1] = "dac_override",
19quiet_cmd_make-caps = GEN     $@
20cmd_make-caps = echo "static const char *const capability_names[] = {" > $@ ;\
21	sed $< >>$@ -r -n -e '/CAP_FS_MASK/d' \
22	-e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/[\2] = "\L\1",/p';\
23	echo "};" >> $@ ;\
24	printf '%s' '\#define AA_SFS_CAPS_MASK "' >> $@ ;\
25	sed $< -r -n -e '/CAP_FS_MASK/d' \
26	    -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/\L\1/p' | \
27	     tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
28
29
30# Build a lower case string table of rlimit names.
31# Transforms lines from
32#    #define RLIMIT_STACK		3	/* max stack size */
33# to
34#    [RLIMIT_STACK] = "stack",
35#
36# and build a second integer table (with the second sed cmd), that maps
37# RLIMIT defines to the order defined in asm-generic/resource.h  This is
38# required by policy load to map policy ordering of RLIMITs to internal
39# ordering for architectures that redefine an RLIMIT.
40# Transforms lines from
41#    #define RLIMIT_STACK		3	/* max stack size */
42# to
43# RLIMIT_STACK,
44#
45# and build the securityfs entries for the mapping.
46# Transforms lines from
47#    #define RLIMIT_FSIZE        1   /* Maximum filesize */
48#    #define RLIMIT_STACK		3	/* max stack size */
49# to
50# #define AA_SFS_RLIMIT_MASK "fsize stack"
51quiet_cmd_make-rlim = GEN     $@
52cmd_make-rlim = echo "static const char *const rlim_names[RLIM_NLIMITS] = {" \
53	> $@ ;\
54	sed $< >> $@ -r -n \
55	    -e 's/^\# ?define[ \t]+(RLIMIT_([A-Z0-9_]+)).*/[\1] = "\L\2",/p';\
56	echo "};" >> $@ ;\
57	echo "static const int rlim_map[RLIM_NLIMITS] = {" >> $@ ;\
58	sed -r -n "s/^\# ?define[ \t]+(RLIMIT_[A-Z0-9_]+).*/\1,/p" $< >> $@ ;\
59	echo "};" >> $@ ; \
60	printf '%s' '\#define AA_SFS_RLIMIT_MASK "' >> $@ ;\
61	sed -r -n 's/^\# ?define[ \t]+RLIMIT_([A-Z0-9_]+).*/\L\1/p' $< | \
62	    tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
63
64$(obj)/capability.o : $(obj)/capability_names.h
65$(obj)/resource.o : $(obj)/rlim_names.h
66$(obj)/capability_names.h : $(srctree)/include/uapi/linux/capability.h \
67			    $(src)/Makefile
68	$(call cmd,make-caps)
69$(obj)/rlim_names.h : $(srctree)/include/uapi/asm-generic/resource.h \
70		      $(src)/Makefile
71	$(call cmd,make-rlim)
72